Climatological Report (Monthly)
Issued by NWS Sterling, VA

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
000
CXUS51 KLWX 021808
CLMBWI

CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
208 PM EDT THU OCT 2 2014

...................................

...THE BALTIMORE MD CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2014...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1870 TO 2014

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE
                                          NORMAL
.............................................................
TEMPERATURE (F)
RECORD
 HIGH             101   09/07/1881
 LOW               35   09/25/1963
HIGHEST            93   09/06        92       1
LOWEST             44   09/23        43       1
AVG. MAXIMUM     78.3              77.9     0.4       MM
AVG. MINIMUM     59.0              57.6     1.4       MM
MEAN             68.7              67.8     0.9
DAYS MAX >= 90      3               1.7     1.3
DAYS MAX <= 32      0               0.0     0.0
DAYS MIN <= 32      0               0.0     0.0
DAYS MIN <= 0       0               0.0     0.0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        13.32   2011
 MINIMUM         0.09   1884
TOTALS           3.21              4.03   -0.82       MM
DAILY AVG.       0.11              0.13   -0.02
DAYS >= .01         9               8.5     0.5
DAYS >= .10         4               5.5    -1.5
DAYS >= .50         3               2.5     0.5
DAYS >= 1.00        1               1.0     0.0
GREATEST
 24 HR. TOTAL    1.36   09/24 TO 09/25

DEGREE_DAYS
HEATING TOTAL      37                52     -15       MM
 SINCE 7/1         37                53     -16       MM
COOLING TOTAL     155               135      20       MM
 SINCE 1/1       1072              1145     -73       MM
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              4.7
HIGHEST WIND SPEED/DIRECTION    44/300    DATE  09/06
HIGHEST GUST SPEED/DIRECTION    58/310    DATE  09/06

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.60
NUMBER OF DAYS FAIR            2
NUMBER OF DAYS PC             21
NUMBER OF DAYS CLOUDY          7

AVERAGE RH (PERCENT)     72

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              4     MIXED PRECIP               0
HEAVY RAIN                5     RAIN                       4
LIGHT RAIN               11     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       1
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      18     FOG W/VIS <= 1/4 MILE      1
HAZE                      8

-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

&

BALTIMORE MD...BALTIMORE-WASHINGTON INTERNATIONAL AIRPORT...

THE MONTHLY AVERAGE TEMPERATURE IN BALTIMORE MD FOR SEPTEMBER 2014
WAS SLIGHTLY ABOVE NORMAL. PRECIPITATION WAS BELOW NORMAL.

ALTHOUGH MONTHLY PRECIPITATION WAS BELOW NORMAL...IT WAS THE HIGHEST
OBSERVED SINCE SEPTEMBER OF 2011 WHEN 13.32 INCHES OF PRECIPITATION
WAS OBSERVED.

THE THREE 90 DEGF DAYS IN SEPTEMBER 2014 EXCEEDED THE MONTHLY NORMAL
OF TWO FOR THE SECOND CONSECUTIVE YEAR. THE LAST TIME THIS WAS
OBSERVED IN BACK-TO-BACK YEARS WAS IN 2007-08.

$$









USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.